Messages in this thread |  | | Date | Thu, 20 Sep 2001 08:34:38 +0200 | From | Andrea Arcangeli <> | Subject | Re: pre12 VM doubts and patch |
| |
On Wed, Sep 19, 2001 at 11:15:47PM -0700, Linus Torvalds wrote: > and do early COW (which the write-access kind of means).
my new patch does the early COW.
> However, your patch isn't right for another reason: if we do delete it > from the swap cache, we'd better mark it dirty so that it gets > re-allocated a swap entry if it later on needs it. > > That's why the old code went to such extremes: it marked it dirty and > writable if it was a write access (and exclusive), and it marked it _just_ > dirty and removed it from the swap cache if it went over the swap limit.
agreed.
Andrea - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |